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/**
* Copyright 2012 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package jogamp.common.awt;
import java.awt.EventQueue;
import java.lang.reflect.InvocationTargetException;
import com.jogamp.common.util.RunnableExecutor;
/**
* AWT EDT implementation of RunnableExecutor
*/
public class AWTEDTExecutor implements RunnableExecutor {
/** {@link RunnableExecutor} implementation invoking {@link Runnable#run()}
* on the AWT EDT.
*/
public static final AWTEDTExecutor singleton = new AWTEDTExecutor();
private AWTEDTExecutor() {}
@Override
public void invoke(boolean wait, Runnable r) {
if(EventQueue.isDispatchThread()) {
r.run();
} else {
try {
if(wait) {
EventQueue.invokeAndWait(r);
} else {
EventQueue.invokeLater(r);
}
} catch (InvocationTargetException e) {
throw new RuntimeException(e.getTargetException());
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}
/**
* Executes the given runnable on the AWT EDT if current thread is not the EDT and the given tree
* lock is not hold, otherwise execute the runnable in current thread.
* @param treeLock representing the AWT-tree-lock, i.e. {@link java.awt.Component#getTreeLock()}
* @param wait if true method waits until {@link Runnable#run()} is completed, otherwise don't wait.
* @param r the {@link Runnable} to be executed.
*/
public void invoke(Object treeLock, boolean wait, Runnable r) {
if(EventQueue.isDispatchThread() || Thread.holdsLock(treeLock)) {
r.run();
} else {
try {
if(wait) {
EventQueue.invokeAndWait(r);
} else {
EventQueue.invokeLater(r);
}
} catch (InvocationTargetException e) {
throw new RuntimeException(e.getTargetException());
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
}
}
}
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